3623588

Information

• Patent Grant
• 3623588

• References
• Source

• Patent Number

  3,623,588

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • H03M11/16 - wherein the shift keys are operated after the operation of the multifunction keys
  • H03M11/14 - by using additional keys
  • H03M11/22 - Static coding

• US Classifications

  • 400 - Typewriting machines
  • 178 - Telegraphy
  • 341 - Coded data generation or conversion